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🏫 Online KIMYO Maktabi

πŸ‘¨β€πŸ« Husniddin Ergashev
πŸ‘¨β€πŸ« Mirjalol Boymurodov
πŸ‘¨β€πŸ« Sardor Zokirov

Tayyorlov:
Milliy sertifikat A+ gacha
Attestatsiya Oliy toifagacha
Xalqaro A level imtixoniga
Kirish imtixonlariga

πŸ“ž 97 660 1997
πŸ“© @CEO97

@icc_kimyo_natijalar
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11.Sublimatsiya jarayonini toping
Javob: 5

Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.

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E`tibor beringlar joyi ozgina o`zgarsa hech narsa qilmaydi. Ma`no kelib chiqsa bo`ldi.
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12. Biuret reaksiyasi peptid bog`lar uchun quyidagicha ranglarni beradi.
binafsha - qizil- ko`k. Ranglar mosligini toping.
Javob: tripeptid-yuqori peptid-dipeptid

Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.

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13. 4:2:3 mol nisbatdagi propilen, etin, propadien massasi 102 gram boΚ»lsa alkinning massasini toping.
Javob: 15,6 g

Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.

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38. Temir disulfidi moβ€˜l miqdordagi nitrat kislota eritmasida eritildi va molyar massasi 30 g/mol boβ€˜lgan 0.15 mol gaz ajraldi. 69.1 gr eritma olindi. Eritmada nitrat kislotaning massa ulushi sulfat kislotaning massa ulushidan 3 marta koβ€˜p. Olingan eritmada suvning massasini toping
Javob: 38,32 g

Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.

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14. Fe2+ dan 0.05 mol, Al3+ dan 0.2 mol, Br- dan 0.6 mol, NO3- va Cl- 0.14 mol bo`lgan eritmadagi Ca2+ nechi mg ekanligini aniqlang.
Javob: 800 mg

Shu savol tushgan boΚ»lsa, tushgan deb izohda tasdiqlab qoΚ»ying.

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15. Qaytaruvchilik qila olmaydigan elementning elektron konfugratsiyasini toping
A) 1s22s1 B) 1s22s22p5 C) …3s23p4 D) …3s23p5
Javob: B


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16. Peptid 30 molekula glitsin 20 molekula alanin aminokislotalaridan hosil bo`lgan. 1574 g shu peptid gidroliziga qancha mol suv ketadi?
Javob: 24,5 mol

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1-smena 33-43 gacha savollari o`zimda bor. Tepada tashlaganlarimdan yana qanday savollar qolib ketdi testdan?
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17.Ti va Fe+3 ionidagi to`rttala kvant soni bir xil bo`lgan elektronlar soni nechta?
A)20 B)21 C)22 D)23

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18.
Mis kuporosi va FeSO4βˆ™7H2O ning 130,6 g aralashmasi suvda eritildi va BaCl2 ta`sir ettirilganda 0,5 mol oq cho`kma hosil boldi. Dastlabki aralashmadagi mis kuporosining massasini (g) aniqlang
Javob: 75 g


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2-smena deb yozavermanglar. 1ni tugataylik 2 ni ko`ramiz keyin
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19.
CuO+ NH3 = hosil bo`lgan oddiy moddalar farqi 49,2 g bo`lsa, sarflangan ammiakning hajmini (l; n.sh.) toping
Javob: 13,44 l

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20.
S atomlari moli 0,3 bo'lgan oleum eritmasiga 24 foizli NaOH va 174,2 g suv qo'shildi. Hosil bo'lgan eritmada 14,2 foiz tuz mavjud bo'lsa dastlabki oleum tarkibini toping (nisbatini).
A) 1:2 B)1:5 C)2:3 D)3:2
Javob: A

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Ko`pchilik 1-2-smena degan bitta faylni tashlab yotibdi 43 talik. Unda yarmidan ko`pi xato yoki to`liq emas savollar. Tashlamanglar iltimos)
πŸ‘41🀣33
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21.
Kumush nitratga 3,6gr temir plastinkasi botirildi( reaksiyada Fe (NO3)2 hosil bΓ²lgan ). Plastinka massasi 10 g ga yetganda jarayon to`xtatildi. Ushbu jarayonda ajralgan kumushni 3.44g aldegidga Ag2O ta`sir ettirib ham olish mumkin. Aldegidni toping ?
Javob: C5H10O

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22.
Etan va eten dan iborat 89.6 l aralashmaga KMnO4 ni kislotali muhiti ta'sir ettirildi. Reaksiya natijasida 62 gr diol olindi. Aralashmadagi etanni mol ulushini aniqlang.
Javob: 0,75

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1-smenadan yana 10 ta testni tiklashimiz kerak og`aynilar. Eslanglar.

33 dan 43 gacha o`zimda bor.
πŸ‘37πŸ”₯10
Glukoza va fruktozani o`xshash jihatlarini toping degan savoldagi 1,2,3 lardan esingizda borini yozing izohga
πŸ‘29🀣13❀1